/* 导入字体 */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Rajdhani:wght@300;400;600&display=swap');

/* CSS变量定义 */
:root {
    --primary-color: #00e5ff;
    --secondary-color: #4fc3f7;
    --accent-color: #ffc107;
    --danger-color: #ff5252;
    --success-color: #4caf50;
    --background-dark: rgba(0, 20, 40, 0.9);
    --background-light: rgba(0, 50, 100, 0.3);
    --glow-color: rgba(0, 229, 255, 0.6);
}

/* Base Styles */
body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    background: radial-gradient(ellipse at center, #001428 0%, #000511 100%);
    color: white;
    font-family: 'Rajdhani', 'Segoe UI', Arial, sans-serif;
    cursor: crosshair;
    position: relative;
}

/* 添加扫描线效果 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        transparent 50%,
        rgba(0, 229, 255, 0.03) 50%
    );
    background-size: 100% 4px;
    pointer-events: none;
    z-index: 1;
    animation: scanlines 8s linear infinite;
}

@keyframes scanlines {
    0% { transform: translateY(0); }
    100% { transform: translateY(10px); }
}

#scene-container {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

/* Loading Screen */
#loading-screen {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: radial-gradient(ellipse at center, #001a33 0%, #000511 100%);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 1s ease-in-out;
}

/* 添加波浪动画背景 */
#loading-screen::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%230099ff" fill-opacity="0.1" d="M0,32L48,37.3C96,43,192,53,288,80C384,107,480,149,576,149.3C672,149,768,107,864,112C960,117,1056,171,1152,186.7C1248,203,1344,181,1392,170.7L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.3;
    animation: waves 10s linear infinite;
}

@keyframes waves {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.loading-content {
    text-align: center;
    max-width: 500px;
    padding: 40px;
    background: linear-gradient(135deg, rgba(0, 30, 60, 0.9) 0%, rgba(0, 50, 100, 0.7) 100%);
    border-radius: 20px;
    border: 2px solid var(--primary-color);
    box-shadow: 
        0 0 50px rgba(0, 229, 255, 0.3),
        inset 0 0 20px rgba(0, 229, 255, 0.1);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.loading-content h1 {
    font-family: 'Orbitron', sans-serif;
    font-weight: 900;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: glow-text 2s ease-in-out infinite;
}

@keyframes glow-text {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.2); }
}

.loading-bar-container {
    width: 100%;
    height: 12px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.1) 50%, rgba(255, 255, 255, 0.05) 100%);
    border-radius: 10px;
    margin: 25px 0;
    overflow: hidden;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.5);
}

.loading-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--primary-color));
    background-size: 200% 100%;
    border-radius: 10px;
    transition: width 0.3s ease-out;
    animation: shimmer 2s linear infinite;
    box-shadow: 0 0 20px var(--glow-color);
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* Vignette Effect */
#vignette {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 90;
    background: radial-gradient(
        circle,
        transparent 60%,
        rgba(0, 0, 0, 0.7) 100%
    );
    opacity: 0.8;
}

/* Info Panel */
#info {
    position: absolute;
    top: 20px;
    width: 100%;
    text-align: center;
    z-index: 100;
    display: block;
    pointer-events: none;
    animation: fadeInDown 1s ease-out;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 32px;
    font-weight: 900;
    margin: 0;
    padding: 0;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
    letter-spacing: 4px;
    text-shadow: 
        0 0 20px var(--glow-color),
        0 0 40px var(--glow-color),
        0 0 60px var(--glow-color);
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { 
        filter: brightness(1) drop-shadow(0 0 10px var(--glow-color));
    }
    50% { 
        filter: brightness(1.2) drop-shadow(0 0 20px var(--glow-color));
    }
}

p {
    font-size: 16px;
    margin: 5px 0 0 0;
}

.controls {
    font-size: 14px;
    opacity: 0.8;
    margin-top: 10px;
}

/* HUD Container */
#hud {
    position: fixed;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 100;
}

/* Compass */
#compass {
    position: absolute;
    bottom: 30px;
    right: 30px;
    width: 120px;
    height: 120px;
    pointer-events: none;
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.compass-inner {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: radial-gradient(circle at center, rgba(0, 50, 100, 0.8), rgba(0, 30, 60, 0.9));
    border: 3px solid var(--primary-color);
    box-shadow: 
        0 0 30px var(--glow-color),
        inset 0 0 20px rgba(0, 0, 0, 0.5),
        0 4px 8px rgba(0, 0, 0, 0.5);
    position: relative;
    backdrop-filter: blur(10px);
    animation: rotate-slow 60s linear infinite;
}

@keyframes rotate-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.compass-inner::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 80%;
    height: 80%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 1px solid rgba(0, 229, 255, 0.2);
    box-shadow: inset 0 0 10px rgba(0, 229, 255, 0.1);
}

.compass-arrow {
    position: absolute;
    top: 10px;
    left: 50%;
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 40px solid #ff5252;
    transform: translateX(-50%);
    filter: drop-shadow(0 0 3px rgba(255, 82, 82, 0.7));
}

.compass-labels {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.compass-labels span {
    position: absolute;
    font-size: 14px;
    font-weight: bold;
    color: #4fc3f7;
    text-shadow: 0 0 5px rgba(79, 195, 247, 0.7);
}

.north {
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
}

.east {
    top: 50%;
    right: 10px;
    transform: translateY(-50%);
}

.south {
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
}

.west {
    top: 50%;
    left: 10px;
    transform: translateY(-50%);
}

/* Depth Meter */
#depth-meter {
    position: absolute;
    bottom: 30px;
    left: 30px;
    background: linear-gradient(135deg, rgba(0, 30, 60, 0.9), rgba(0, 50, 100, 0.7));
    border: 2px solid var(--primary-color);
    padding: 15px;
    border-radius: 15px;
    pointer-events: none;
    text-align: center;
    min-width: 100px;
    box-shadow: 
        0 0 25px var(--glow-color),
        inset 0 0 15px rgba(0, 0, 0, 0.3),
        0 4px 8px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.depth-label {
    font-family: 'Orbitron', sans-serif;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.9;
    margin-bottom: 5px;
    color: var(--primary-color);
}

.depth-value {
    font-family: 'Orbitron', sans-serif;
    font-size: 24px;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 8px;
    text-shadow: 
        0 0 10px var(--glow-color),
        0 0 20px var(--glow-color);
    animation: pulse-value 2s ease-in-out infinite;
}

@keyframes pulse-value {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.depth-bar-container {
    width: 100%;
    height: 6px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.depth-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(to right, #4caf50, #ff9800, #f44336);
    border-radius: 3px;
    transition: width 0.3s ease;
}

/* Oxygen Meter */
#oxygen-meter {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, rgba(0, 30, 60, 0.9), rgba(0, 50, 100, 0.7));
    border: 2px solid var(--primary-color);
    padding: 12px 20px;
    border-radius: 25px;
    pointer-events: none;
    display: flex;
    align-items: center;
    min-width: 200px;
    box-shadow: 
        0 0 25px var(--glow-color),
        inset 0 0 15px rgba(0, 0, 0, 0.3),
        0 4px 8px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.oxygen-icon {
    margin-right: 15px;
    color: var(--primary-color);
    font-size: 20px;
    animation: breathe 3s ease-in-out infinite;
    filter: drop-shadow(0 0 5px var(--glow-color));
}

@keyframes breathe {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 1; }
}

.oxygen-bar-container {
    flex-grow: 1;
    height: 10px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.1));
    border-radius: 10px;
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.5);
    position: relative;
}

.oxygen-bar-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shine 3s linear infinite;
}

@keyframes shine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.oxygen-bar {
    height: 100%;
    width: 100%;
    background: linear-gradient(90deg, var(--danger-color), var(--accent-color), var(--success-color));
    border-radius: 10px;
    transition: width 0.5s ease;
    box-shadow: 0 0 10px currentColor;
    position: relative;
    overflow: hidden;
}

.oxygen-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: wave 2s linear infinite;
}

@keyframes wave {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Flashlight Indicator */
#flashlight-indicator {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: rgba(0, 30, 60, 0.7);
    border: 2px solid rgba(79, 195, 247, 0.5);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #ffeb3b;
    font-size: 20px;
    box-shadow: 0 0 10px rgba(79, 195, 247, 0.3);
    backdrop-filter: blur(5px);
}

#flashlight-indicator.on {
    text-shadow: 0 0 10px rgba(255, 235, 59, 0.8);
}

#flashlight-indicator.off {
    color: #555;
    text-shadow: none;
}

/* Discovery Notification */
#discovery-notification {
    position: absolute;
    top: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    background-color: rgba(0, 30, 60, 0.8);
    border: 2px solid rgba(255, 193, 7, 0.7);
    border-radius: 10px;
    padding: 15px;
    display: flex;
    align-items: center;
    min-width: 300px;
    max-width: 500px;
    box-shadow: 0 0 20px rgba(255, 193, 7, 0.4);
    z-index: 150;
    pointer-events: none;
    opacity: 0;
    transition: transform 0.5s ease, opacity 0.5s ease;
    backdrop-filter: blur(5px);
}

#discovery-notification.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.discovery-icon {
    margin-right: 15px;
    color: #ffc107;
    font-size: 24px;
    animation: pulse 1.5s infinite;
}

.discovery-content {
    flex-grow: 1;
}

.discovery-content h3 {
    margin: 0 0 5px 0;
    color: #ffc107;
    font-size: 18px;
}

.discovery-content p {
    margin: 0;
    font-size: 14px;
    opacity: 0.9;
}

/* Blocker (Start Screen) */
#blocker {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), rgba(0, 20, 40, 0.8));
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    cursor: pointer;
}

#blocker h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #4fc3f7;
    text-transform: uppercase;
    letter-spacing: 3px;
    text-shadow: 0 0 15px rgba(79, 195, 247, 0.8);
}

#blocker p {
    font-size: 18px;
    max-width: 600px;
    text-align: center;
    margin-bottom: 30px;
    line-height: 1.5;
}

/* Animations */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}